Before You File a Bug Report Please Confirm You Have Done The Following...

• I have tried restarting my IDE and the issue persists.
• I have updated to the latest version of the packages.
• I have searched for related issues and found none that matched my issue.
• I have read the FAQ and my problem is not listed.

Playground Link

https://typescript-eslint.io/play/#ts=5.7.2&fileType=.ts&code=MoFwTglgdg5gFAbQN4F8A0ACVBdAlAbgwHoiMByBAewCMArAUwGMQMB5OpkbNKj5tvlzJA&eslintrc=N4KABGBEBOCuA2BTAzpAXGUEKQAIBcBPABxQGNoBLY-AWhXkoDt8B6Jge1oCMBDZRLXxdk%2BKkwDm6KAHde0JpHBgAviBVA&tsconfig=N4KABGBEDGD2C2AHAlgGwKYCcDyiAuysAdgM6QBcYoEEkJemy0eAcgK6qoDCAFutAGsylBm3TgwAXxCSgA&tokens=false

Repro Code

String([{}, {}]); // '[object Object],[object Object]'

ESLint Config

module.exports = {
  "rules": {
    "@typescript-eslint/no-base-to-string": "warn"
  }
}

tsconfig

{
  "compilerOptions": {
    "strictNullChecks": true
  }
}

Expected Result

I expect a lint report

Actual Result

no report

Additional Info

The provided code is effectively identical to

[{}, {}].join(','); // '[object Object],[object Object]'

which does flag, since #3388